Difference between 3157 and 4157 bulbs

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Thread: Difference between 3157 and 4157 bulbs

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    Junior Member OneOfTheSick's Avatar
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    Default Difference between 3157 and 4157 bulbs

    I am having trouble finding out what the difference between the 3157 and 4157 bulbs are. I just got an 08 Tundra and wanted to put my chrome plated 3157's from my 00 tundra in place of the regular bulbs, but when I pulled them out they were 4157's. They physically look the same and AutoIllumination (3157 Tail Light Brake Light Turn Signal LED Bulbs) says that 3157 "replaces" 4157, but I want to make sure that there are no important differences before I put them in.

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    Junior Member jaymz11's Avatar
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    Default Re: Difference between 3157 and 4157 bulbs

    no difference.
    did mine with no issues.
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    Junior Member OneOfTheSick's Avatar
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    Default Re: Difference between 3157 and 4157 bulbs

    Thanks for the info!

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    Default Re: Difference between 3157 and 4157 bulbs

    I ordered led replacements for my '07 Tundra and received 3157. They did not fit at all. They were wedge but wouldn't go in far enough. Dremeled them and they blew fuses. They were the solid amber kind. The place I ordered through is going to try a company that has 4157 but in the white/amber configuration. That means it burns white until I activate the turn signal, then it blinks amber. We'll see.

    Any sage advice would be greatly appreciated.




    Wahoo, 4yr necropost. Well, I guess I'm ecologically sound, recycling and all.
    Last edited by NPTIM; 10-12-2012 at 05:53 PM.

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